import java.lang.constant.Constable;
import java.util.Scanner;

public class A {

    public static void main(String[] args) {
/*        System.out.println((char) ('a'+1));
        System.out.println(('a'+(char) 1));
        double temp = Math.pow(2, 16);
        System.out.println(temp);
        //下面两句都是接收键盘输入所需要的
        //创建Scanner对象、new在堆空间开辟一个空间
        Scanner sc=new Scanner(System.in);
        //接收
        int i=sc.nextInt();
        float j = sc.nextFloat();
        System.out.println(i);
        System.out.println(j);*/
        int i=10;
        int j=80;
        System.out.println("please input greater "+i + " lower " + j);
    }
}
